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Add an efficient rank2 update function (like the level2 blas xSYR2 routine).

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Note that it is already used in Tridiagonalization.
This commit is contained in:
Gael Guennebaud
2009-07-11 21:14:59 +02:00
parent b47dea8b7a
commit a2087cd7a3
11 changed files with 187 additions and 51 deletions
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4
test/eigensolver_selfadjoint.cpp
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@@ -119,8 +119,8 @@ void test_eigensolver_selfadjoint()
// very important to test a 3x3 matrix since we provide a special path for it
CALL_SUBTEST( selfadjointeigensolver(Matrix3f()) );
CALL_SUBTEST( selfadjointeigensolver(Matrix4d()) );
CALL_SUBTEST( selfadjointeigensolver(MatrixXf(7,7)) );
CALL_SUBTEST( selfadjointeigensolver(MatrixXcd(5,5)) );
CALL_SUBTEST( selfadjointeigensolver(MatrixXf(4,4)) );
CALL_SUBTEST( selfadjointeigensolver(MatrixXcd(7,7)) );
CALL_SUBTEST( selfadjointeigensolver(MatrixXd(19,19)) );
// some trivial but implementation-wise tricky cases